Extra $10 off on select apparel at Costco

Costco has a sale for members on select apparel, offering an extra $10 off when purchasing 3 or more items in a single order. The deal is valid from August 3 to August 31, 2026, and shipping is free. This is a significant discount for bulk apparel purchases, with the deal being online-only and limited to one redemption per member. Additional savings are available for buying 5–9 or 10 items, with extra discounts up to $50. Given the sale's clarity, the multi-buy nature, and the free shipping, this deal offers good value for members looking to stock up on apparel at a reduced price.